I have been part of designing and development team and working as backend developer. I have experience with low level design and high level design of system and part of schema design.i have used technologies Java, Spring boot, tomcat, MySQL, redis, kafka for back-end development and used ORM queries to interacts with databases(MySQL,oracle).I have used multi threading and Data Structures like Hash map, queue, stack etc in backend development. I have written Perl, python and shell scripts for automation of deployment processes, written scripts for analyzing and debugging system flow. I have used opensource tools like nginx, Nagios/Nrpe, Snmp,Sensu , ansible , Crontab to make the product reality and achieved all its functionality. I have added many new features to the product as per requirement and innovation to make it robust,generic and stable product.